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Masaharu Sumiyoshi

USPTO Granted Patents = 48

Average Co-Inventor Count = 3.3

ph-index = 13

Forward Citations = 560(Granted Patents)

Location History:

Aichi, JA (1976)
Toyoto, JA (1977)
Toyota, JA (1976 - 1978)
Toyota, JP (1978 - 1990)

Company Filing History:

26 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

20 out of 1,600

Nippon Soken, Inc.

Aisan Industry Co., Ltd.

4. 5 out of 3,252

Nippondenso Co., Ltd.

Aisin-warner Limited

6. 1 out of 113

Daihatsu Motor Company, Ltd.

7. 1 out of 36,653

Toyota Jidosha Kabushiki Kaisha

Asian Industry Co., Ltd.

where one patent can have more than one assignee

Years Active: 1976-1990

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Areas of Expertise:

Internal Combustion Engine

Fuel Injection System

Exhaust Gas Control

Air-Fuel Ratio Control

Fuel Supply Apparatus

Fuel Economizing System

Carburetor Technology

Exhaust Gas Recirculation

Torch Ignition Engine

Fuel Reforming System

Gear Transmission Mechanism

Swirl-Inducing Apparatus

48 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4909371 - Four wheel driving power (1990-03-20),

2. 4565106 - Gear transmission mechanism with multiple layshafts (1986-01-21),

3. 4450793 - Intake system of an internal combustion engine (1984-05-29),

4. 4336776 - Swirl-inducing apparatus for internal combustion engines (1982-06-29),

5. 4322800 - Method of reducing fuel consumption rate in internal combustion engines (1982-03-30),

6. 4294213 - Fuel supplying device for use in fuel injection type internal combustion (1981-10-13),

7. 4256063 - Intake system of a multi-cylinder internal combustion engine (1981-03-17),

8. 4254747 - Intake system of a multi-cylinder internal combustion engine (1981-03-10),

9. 4253440 - Fuel supply apparatus for internal combustion engines (1981-03-03),

10. 4235210 - Fuel supply apparatus for internal combustion engines (1980-11-25),

11. 4232517 - Exhaust gas control actuator (1980-11-11),

12. 4230072 - Internal combustion engine with a methanol reforming system (1980-10-28),

13. 4211201 - Fuel supply apparatus for internal combustion engines (1980-07-08),

14. 4207849 - Air-fuel ratio control apparatus of a fuel supply system for an internal (1980-06-17),

15. 4206599 - Internal combustion engine (1980-06-10),

Title: The Innovative Journey of Masaharu Sumiyoshi

Introduction: Masaharu Sumiyoshi is a pioneering inventor hailing from Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Masaharu Sumiyoshi holds several patents related to hybrid vehicle systems, energy-efficient engines, and advanced safety features in automobiles.

Career Highlights: With a career spanning over two decades, Sumiyoshi has worked tirelessly to revolutionize the automotive industry. His innovative designs have significantly impacted the way vehicles are manufactured and operated.

Collaborations: Throughout his career, Masaharu Sumiyoshi has collaborated with leading engineers, designers, and researchers in the automotive sector. His ability to work in multidisciplinary teams has led to the development of cutting-edge technologies.

Conclusion: Masaharu Sumiyoshi's relentless pursuit of innovation and his passion for creating sustainable automotive solutions have solidified his position as a visionary inventor in the realm of transportation.

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